
FMF Racing Q4 HEX Spark Arrestor for 2020-22 KTM 350/450/500 XCF-W - 045646
FMF Racing Q4 Exhaust System
Part Number:
Configuration:
- Meets FIM World Enduro sound regulations
- Power gains throughout the entire rpm range
- Less mass to enhance power-to-weight ratio
- Rugged design for off-road endurance
- Pounds lighter than stock
- Less sound equals more ground
- Spark arrestor included
- Made in the USA
The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound. Developed over years of championship off-road racing. Twin-stage core design for lower sound output and extended life of packing material. Comes standard with spark arrestor.
Note: For closed course competition use only; not intended for use on emissions controlled vehicles.
| Product Line | FMF Q4 Muffler |
| Part Number | 045646 |
| Fitment Type | Model-Specific Fitment |
| Use Type | |
| Unit Sale Qty | |
| Style | |
| Size | |
| Position | |
| Material | |
| Color | |
| Finish | |
| Exhaust Configuration | Single Canister Silencer |
| Muffler Size | |
| Muffler End/Tip Style | |
| California Emissions | FALSE |
| Product Disclaimer | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |
2022 KTM 350 XCF-W
2021 KTM 350 XCF-W
2020 KTM 350 XCF-W
2022 KTM 450 XCF-W
2021 KTM 450 XCF-W
2022 KTM 500 XCF-W
2021 KTM 500 XCF-W
2020 KTM 500 XCF-W
2021 Husqvarna FE250
2020 Husqvarna FE250
2022 Husqvarna FE350
2021 Husqvarna FE350
2020 Husqvarna FE350
2021 Husqvarna FE350 Rockstar Edition
2021 Husqvarna FE450
2020 Husqvarna FE450
2022 Husqvarna FE501
2021 Husqvarna FE501
2020 Husqvarna FE501
2021 Gas-Gas EC250F
2021 Gas-Gas EC350F
Original: $273.00
-65%$273.00
$95.55Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FMF Racing Q4 Exhaust System
Part Number:
Configuration:
- Meets FIM World Enduro sound regulations
- Power gains throughout the entire rpm range
- Less mass to enhance power-to-weight ratio
- Rugged design for off-road endurance
- Pounds lighter than stock
- Less sound equals more ground
- Spark arrestor included
- Made in the USA
The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound. Developed over years of championship off-road racing. Twin-stage core design for lower sound output and extended life of packing material. Comes standard with spark arrestor.
Note: For closed course competition use only; not intended for use on emissions controlled vehicles.
| Product Line | FMF Q4 Muffler |
| Part Number | 045646 |
| Fitment Type | Model-Specific Fitment |
| Use Type | |
| Unit Sale Qty | |
| Style | |
| Size | |
| Position | |
| Material | |
| Color | |
| Finish | |
| Exhaust Configuration | Single Canister Silencer |
| Muffler Size | |
| Muffler End/Tip Style | |
| California Emissions | FALSE |
| Product Disclaimer | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |
2022 KTM 350 XCF-W
2021 KTM 350 XCF-W
2020 KTM 350 XCF-W
2022 KTM 450 XCF-W
2021 KTM 450 XCF-W
2022 KTM 500 XCF-W
2021 KTM 500 XCF-W
2020 KTM 500 XCF-W
2021 Husqvarna FE250
2020 Husqvarna FE250
2022 Husqvarna FE350
2021 Husqvarna FE350
2020 Husqvarna FE350
2021 Husqvarna FE350 Rockstar Edition
2021 Husqvarna FE450
2020 Husqvarna FE450
2022 Husqvarna FE501
2021 Husqvarna FE501
2020 Husqvarna FE501
2021 Gas-Gas EC250F
2021 Gas-Gas EC350F



















